Unlike old soldiers, old volcanoes seemingly don't even fade away, much less die, with researchers discovering magma chambers ...

New study questions whether the continents, North America and Europe, ever completely split apart tens of millions of years ...

Iceland is on the Mid-Atlantic Ridge, a belt of mountains ... the tortuously rumpled topography, and the kind of volcanic activity we saw when Eyjafjallajökull blew its top and darkened Europe ...

Volcanoes and earthquake activity often occur in similar places ... the Pacific Ring of Fire around the Pacific Ocean the Mid-Atlantic Ridge, a mid-ocean ridge that extends along the floor of ...

Tristan da Cunha, or Tristan for short, comprises six volcanic ... of past geologic activity deep in Earth's mantle, each formed from peaks in the oceanic crust. They are located about 250 miles (400 ...